"We provide the first epidemiologic evidence that berries may slow progression of cognitive decline in elderly women.”

Strawberries and blueberries are both high in flavonoids, the antioxidants found in plants. Flavonoids are thought to trigger enzymes that reduce the risk of cancer, heart disease and age-related degenerative diseases.

However, whilst the researchers adjusted the study to control other influencing factors, experts say that they could not rule out the possibility of effects from other lifestyle factors.

Dr Eric Karran, from the charity Alzheimer's Research UK, said:

“Further research will be needed to conclude whether antioxidants in berries are beneficial in the brain and we can't assume that simply eating berries could protect against cognitive ageing or dementia."

Strawberries and blueberries help slow cognitive ageingA daily bowl of strawberries and blueberries may help slow age-related mental decline. Earlier this month, scientists suggested that men whFollow @activequote

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